Repair Help Guides for your 400
Get the most accurate Repair Help and Guidance in our Online Service Repair ManualIt's important to stay well-informed about your 400 - and especially important for DIY types to have accurate repair help guides.
At ALLDATA, the repair help guide are only a fraction of what we can provide you in our thorough online service manual. We are the industry's leading source of online factory Diagnostic and Repair Information used by 200,000+ automotive technicians everyday. Unlimited online access to this online 400 manual can be purchased in one or five year increments, with discounts available for multiple vehicles.
I was having computer/electrical problems with my car that were a complete mystery. I purchased information for my car on ALLDATADIY.com, and now my car is running perfectly. Thank you, ALLDATA, for helping me get back on the road without having to get my car towed to a service station. - Phillip S